A smart switch in an electrical metal square box inside a garage : r/homeautomation
Steel Switch Boxes and Covers | Crouse-Hinds series | Eaton
Steel City LXOW-25 Switch Box, Gangable, Old Work, Welded Construction, 1 Gang, 3-Inch Length by 2-Inch Width by 2-1/2-Inch Depth, Galvanized - Electrical Boxes - Amazon.com
How does an electrician determine which wires go where on a switch box with multiple switches and outlets connected to each other by only black and white wires? - Quora
11 Types of Electrical Boxes and How to Choose One